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1. WO2020206224 - DUAL FUEL GENERATOR

Publication Number WO/2020/206224
Publication Date 08.10.2020
International Application No. PCT/US2020/026541
International Filing Date 03.04.2020
IPC
F02D 19/06 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
19Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
06peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02D 29/06 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
29Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
06peculiar to engines driving electric generators
F02D 41/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
41Electrical control of supply of combustible mixture or its constituents
CPC
F02D 19/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
19Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
06peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02D 19/0615
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
19Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
06peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
0602Control of components of the fuel supply system
0613Switch-over from one fuel to another
0615being initiated by automatic means, e.g. based on engine or vehicle operating conditions
F02D 19/0628
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
19Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
06peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
0626Measuring or estimating parameters related to the fuel supply system
0628Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position
F02D 19/0642
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
19Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
06peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
0639characterised by the type of fuels
0642at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions
F02D 29/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
29Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
06peculiar to engines driving electric generators
F02D 41/0025
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
41Electrical control of supply of combustible mixture or its constituents
0025Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
Applicants
  • KOHLER CO. [US]/[US]
Inventors
  • CHIU, Harrison C.
  • THOMPSON, Peter
  • GUDMUNDSON, Seth
  • MEULEMANS, Zachary David
Agents
  • GLEITZ, Ryan
Priority Data
16/839,19603.04.2020US
62/829,77905.04.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DUAL FUEL GENERATOR
(FR) GÉNÉRATEUR À DEUX CARBURANTS
Abstract
(EN)
A control circuit for a dual fuel generator includes a primary fuel valve to control the supply of a primary fuel, a secondary fuel valve to control the supply of a secondary fuel, a primary fuel pressure switch to detect the primary fuel, a secondary fuel pressure switch to detect the secondary fuel, and a controller. The controller is configured to receive a primary signal for availability of the primary fuel from the primary fuel pressure switch and a secondary signal for availability of the secondary fuel from the secondary and operate the primary fuel valve and the secondary fuel valve in response to the primary signal and the secondary signal. When the secondary fuel valve is open so that the secondary fuel is provided to the dual fuel generator, the control circuit is configured to ground the primary signal by connecting the primary fuel pressure switch to ground.
(FR)
Selon l'invention, un circuit de commande pour un générateur à deux carburants contient une soupape de carburant primaire servant à commander l'alimentation en un carburant primaire, une soupape de carburant secondaire servant à commander l'alimentation en un carburant secondaire, un commutateur de pression de carburant primaire servant à détecter le carburant primaire, un commutateur de pression de carburant secondaire servant à détecter le carburant secondaire, et un contrôleur. Le contrôleur est configuré pour recevoir un signal primaire pour la disponibilité du carburant primaire provenant du commutateur de pression de carburant primaire et un signal secondaire pour la disponibilité du carburant secondaire provenant du secondaire et faire fonctionner la soupape de carburant primaire et la soupape de carburant secondaire en réponse au signal primaire et au signal secondaire. Lorsque la soupape de carburant secondaire est ouverte de sorte que le carburant secondaire est fourni au générateur à deux carburants, le circuit de commande est configuré pour mettre à la terre le signal primaire en connectant le commutateur de pression de carburant primaire à la terre.
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